CV_SMB_CTRL
ret_val = e1000_read_phy_reg_hv_locked(hw, CV_SMB_CTRL, &smb_ctrl);
e1000_write_phy_reg_hv_locked(hw, CV_SMB_CTRL, smb_ctrl);
ret_val = e1000_read_phy_reg_hv_locked(hw, CV_SMB_CTRL, &phy_reg);
ret_val = e1000_read_phy_reg_hv_locked(hw, CV_SMB_CTRL,
e1000_write_phy_reg_hv_locked(hw, CV_SMB_CTRL, phy_reg);
e1e_rphy_locked(hw, CV_SMB_CTRL, &phy_reg);
e1e_wphy_locked(hw, CV_SMB_CTRL, phy_reg);
e1e_rphy(hw, CV_SMB_CTRL, &phy_data);
e1e_wphy(hw, CV_SMB_CTRL, phy_data);
e1e_rphy(hw, CV_SMB_CTRL, &phy_data);
e1e_wphy(hw, CV_SMB_CTRL, phy_data);